John Saxon

Dylan Hunt

Janet Margolin

Harper-Smythe

Ted Cassidy

Isiah

Christopher Cary

Baylok

Diana Muldaur

Yuloff

Sally Kemp

Treece

Corinne Camacho

Bronta

Majel Barrett

Yuloff

Jim Antonio

Jonathan Connor

John Quade

Kreeg Commandant

Sue Dahlman

Thetis

James Bacon

Partha

Craig Huxley

Harpsichordist

Patricia Smith

Skylar (uncredited)